A Unified Generative Model for Characterizing Microblogs' Topics.
Kun ZhuangHeyan HuangXin XinXiaochi WeiXianxiang YangChong FengYing FangPublished in: WAIM (2013)
Keyphrases
- generative model
- latent dirichlet allocation
- topic models
- topic detection
- probabilistic model
- bayesian framework
- em algorithm
- topic modeling
- discriminative learning
- posterior probability
- latent topics
- prior knowledge
- social media
- text classification
- information retrieval
- expectation maximization
- hierarchical bayesian model
- dirichlet process mixture models
- markov chain monte carlo
- multiscale
- bayesian networks
- data sets
- discriminative models
- lda model
- fisher kernel